arm-linux-gdb+gdbserver环境搭建以及远程调试
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arm-linux-gdb+gdbserver环境搭建以及远程调试
0) gdb源码下载:http://ftp.gnu.org/gnu/gdb/
1) 编译arm-linux-gdb
指定交叉编译工具链的位置
export PATH=$PATH:/usr/local/arm/3.4.1/bin
开始配置和编译
$cd gdb-6.6
$./configure --target=arm-linux --prefix=/usr/local/arm/gdb -v
$make
中间会出现一些地方编译过去,如
gdb declared with attribute warn_unused_result
检查了下,发现是由于检查太严格了,把 Makefile 里面 -Wall 类似的强制警告检查都去掉就可以过了
2) 编译gdbserver
$cd gdb/gdbserver
$./configure --target=arm-linux --host=arm-linux
target含义同前,host指明编译生成的gdbserver运行在arm-linux上,前者没有设定host的原因是
arm-linux-gdb是在pc linux上运行的,就像arm-linux-gcc (很好理解的)
$make CC=/usr/local/arm/3.4.1/bin/arm-linux-gcc
#gdbserver 192.168.1.200:7777 test
Process test created; pid
Listening on port 7777
主机shell下
$cd ~/tftpboot
$arm-linux-gdb test
GNU gdb 6.6
Copyright (C) 2006 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "--host=i686-pc-linux-gnu --target=arm-linux"...
(gdb)
注意一下显示信息的最后--host=i686-pc-linux-gnu --target=arm-linux,明白了吧。。。
target remote 192.168.1.168:7777 --连接gdbserver
Remote debugging using 192.168.1.168:7777
0x40000dd0 in _start () from /lib/ld-linux.so.2
表示连接上了服务器,,接下来就可以调试了。arm-linux-gdb和GDB的用法一样,只是没有r这个命
令,运行程序用c命令。
(gdb) l
1 #include<stdio.h>
2
3 int main()
4 {
5 char *ptr = "csdn";
6 printf("%c/n",*(ptr++));
7 return 0;
8 }
(gdb) b 3
Breakpoint 1 at 0x83d0: file test.c, line 3.
另外由于程序是在目标板上运行,调试是在PC下,程序的结果还是会在目标板上显示的, |
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